the bang originally stood 56 metres ( 184 ft ) tall with 180 hollow tape ##red steel columns or spikes radiating from a central core . it was angled at 30 degrees and supported by five 25 m ( 82 ft ) long , tape ##red steel legs which connected to the spikes 22 m ( 72 ft ) above the ground . the sculpture weighed 165 tonnes , with the concrete in the foundations weighing over 1 @ , @ 000 tonnes , including a 400 m2 ( 4 @ , @ 300 sq ft ) reinforced concrete slab . the foundations are 20 m ( 66 ft ) deep . the sculpture was made from the same weather ##ing steel ( also known as co ##r
the bang originally stood 56 metres ( 184 ft ) tall with 180 hollow tapered steel columns or spikes radiating from a central core. it was angled at 30 degrees and supported by five 25 m ( 82 ft ) long, tapered steel legs which connected to the spikes 22 m ( 72 ft ) above the ground. the sculpture weighed 165 tonnes, with the concrete in the foundations weighing over 1 @, @ 000 tonnes, including a 400 m2 ( 4 @, @ 300 sq ft ) reinforced concrete slab. the foundations are 20 m ( 66 ft ) deep. the sculpture was made from the same weathering steel ( also known as cor